Massachusetts home charging cost for the 2026 Tesla Model S Plaid (21in wheels)

In Massachusetts, home electricity runs 30.06¢/kWh — put a 2026 Tesla Model S Plaid (21in wheels)'s EPA-rated 36.2 kWh/100mi against that and 100 miles costs $10.89, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is cheaper than gas here: 32.1% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Tesla Model S Plaid (21in wheels) costs roughly $1,633 a year to charge at home in Massachusetts, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $770 a year.

Filling up the 2026 Tesla Model S Plaid (21in wheels), in dollars

Covering the 2026 Tesla Model S Plaid (21in wheels)'s EPA-rated 309-mile range takes about 111.9 kWh, which costs about $33.64 at Massachusetts's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

2026 Tesla Model S Plaid (21in wheels) in Massachusetts, ranked

This combination ranks 18,223 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Tesla Model S Plaid (21in wheels) alone ranks 171 of 400 models for efficiency; Massachusetts alone ranks 49 of 51 states for electricity price.

Next step: home charger installation

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

Line up a few Massachusetts electrician quotes for Level 2 install before you commit either way.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 Tesla Model S Plaid (21in wheels)'s cost in Massachusetts. Massachusetts has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.